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Evidence for Bxy‐npr‐21 on controlling juveniles’ growth and modulating male sexual arousal: from molecules to behaviors
Pest Management Science ( IF 3.8 ) Pub Date : 2025-01-17 , DOI: 10.1002/ps.8633
Hudie Shao, Wenyi Liu, Huan Hong, Kai Guo, Jing Chen, Quan Li, Miao Su, Xiaofang Huang, Jiafu Hu

BACKGROUNDBursaphelenchus xylophilus is considered a quarantine plant nematode species, that causes major damage to pine ecosystems globally. However, there are few reports on the identification and function of the sex pheromone receptors involved in mating. The function of Bxy‐npr‐21 as a potential sex pheromone receptor gene was verified from molecules to behaviors in this study.RESULTSHere, we firstly report that Bxy‐npr‐21 is a receptor gene involved in sexual attraction. The bioinformatic analysis indicated that the Bxy‐npr‐21 gene in B. xylophilus encodes a GPCR. The expression characterization for Bxy‐npr‐21 showed that it is widely expressed in whole body of larvae and sex organs of adults. The RNAi results suggested that the Bxy‐npr‐21 gene was involved mainly in movement, feeding, and mating. Sexual arousal experiments further validated that the Bxy‐npr‐21 gene was involved in the activation of males by female chemical signaling.CONCLUSIONSOur results strongly suggest that the Bxy‐npr‐21 gene is a key gene that regulates nematode growth, development and reproduction. The results of this study lay the foundation for revealing the molecular mechanisms of growth and reproduction of B. xylophilus. It can also provide an important basis for further control of B. xylophilus. © 2025 Society of Chemical Industry.

中文翻译:


Bxy-npr-21 控制幼鱼生长和调节男性性唤起的证据:从分子到行为



背景Bursaphelenchus xylophilus 被认为是一种检疫植物线虫物种,对全球松树生态系统造成重大破坏。然而,关于参与交配的性信息素受体的鉴定和功能的报道很少。在本研究中,Bxy-npr-21 作为潜在性信息素受体基因的功能从分子到行为进行了验证。结果我们首先报道了 Bxy-npr-21 是一个参与性吸引的受体基因。生物信息学分析表明,B. xylophilus 中的 Bxy‐npr-21 基因编码 GPCR。Bxy-npr-21 的表达表征表明,它在成虫的全身和性器官中广泛表达。RNAi 结果表明,Bxy-npr-21 基因主要参与运动、摄食和交配。性唤起实验进一步验证了 Bxy-npr-21 基因参与雌性化学信号对雄性的激活。结论研究结果强烈表明 Bxy-npr-21 基因是调节线虫生长、发育和繁殖的关键基因。本研究结果为揭示 B. xylophilus 生长和繁殖的分子机制奠定了基础。它还可以为进一步防治 B. xylophilus 提供重要依据。© 2025 化工学会.
更新日期:2025-01-17
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